Home / 755,475.14-1,042,553.77-415,943.39

Finding the Fourth Proportional to 755,475.14, 1,042,553.77 and 415,943.39

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Solution

The fourth proportional to 755,475.14, 1,042,553.77 and 415,943.39 is: 574,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,475.14 : 1,042,553.77 = 415,943.39 : x
  2. Step 2: Convert to fraction form
    755,475.14/1,042,553.77 = 415,943.39/x
  3. Step 3: Cross multiply
    755,475.14x = 1,042,553.77 × 415,943.39
  4. Step 4: Simplify right side
    755,475.14x = 433,643,350,917.61
  5. Step 5: Solve for x
    x = 433,643,350,917.61/755,475.14
  6. Step 6: Final answer
    x = 574,000.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.